Master Meter 3G Mobile AMR
Placeholder for Master Meter water meter pics

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Fully enclosed meter
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Meter dial front
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Meter dial back with PCB removed
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Top of PCB, notice 3 LED's bottom right and sensor used to read water meter position. Reed switch on the top to detect magnetic tampering? Antenna mounted on the right side.
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Side view of antenna and batteries (2) soldered to PCB.
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Unlabeled IC is MSP430F2370
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Ruler for dimensions
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RF circuitry on the bottom of PCB, unlabeled IC is TLMW301.
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Can't seem to find a datasheet for this IC